40 Which of the following is the most likely effect of a 50% decrease in impulse conduction velocity through the atrioventricular node? A) A 50% decrease in heart rate B) Increased PP interval on an ECG C) Increased PR interval on an ECG D) Increased splitting of S₂ on inspiration E) Prolonged duration of the QRS interval on an ECG 00 00

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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40 Which of the following is the most likely effect of a 50% decrease in impulse conduction velocity through the atrioventricular node?
A) A 50% decrease in heart rate
B) Increased PP interval on an ECG
C) Increased PR interval on an ECG
D) Increased splitting of S₂ on inspiration
E) Prolonged duration of the QRS interval on an ECG
Transcribed Image Text:40 Which of the following is the most likely effect of a 50% decrease in impulse conduction velocity through the atrioventricular node? A) A 50% decrease in heart rate B) Increased PP interval on an ECG C) Increased PR interval on an ECG D) Increased splitting of S₂ on inspiration E) Prolonged duration of the QRS interval on an ECG
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